Identify the perimeter and area of an equilateral triangle with a height of 11 cm. Give your answer in simplest radical form.

Can someone me and plz do the problem

Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (-1+i)+(21+5i)+0

Mike wants to make meatloaf. his recipe uses a total of 8 pounds of meat. if he uses a 3 to 1 ratio of beef to pork, how much pork will he use? enter your answer as a mixed number in simplest terms.